Council planning record

Certificate of lawfulness for the replacement of the existing single glazed windows on Dyne House building with double glazed windows.

Dyne House, Highgate School, Southwood Lane, London, N6 5EE

Decision MadeReference: HGY/2026/1056London Borough of Haringey

Last published check: 12 Oct 2026, 14:37. Check the council record for more recent changes.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Decision Date

    Published milestoneCouncil source

Application summary

Status
Decision Made
Application type
Lawful development: Proposed use
Received
Not published
Validated
Not published
Determination deadline
Not published
Local authority
London Borough of Haringey

Application overview

Certificate of lawfulness for the replacement of the existing single glazed windows on Dyne House building with double glazed windows.

Proposal details

Reference
HGY/2026/1056
Alternative references
PP-14856597
Agent
Christian Milner

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Application location

Dyne House, Highgate School, Southwood Lane, London, N6 5EE

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Documents 15 of 15

DocumentPublishedAction
260414 Dyne House Windows Covering Letter.pdf · PDF14 Apr 2026View
ApplicationForm.pdf · PDF14 Apr 2026View
Proposed Windows_Dyne House.pdf · PDF14 Apr 2026View
Highgate School Dyne House Existing Windows 08.05. · PDF16 Jun 2026View
Highlighted Elevation Drawings - Proposed · PDF16 Jun 2026View
AttachmentSummary.pdf · PDF14 Apr 2026View
DATA SHEET_Alitherm 400 (Different Colour Shown).pdf · PDF14 Apr 2026View
LocationPlan.pdf · PDF14 Apr 2026View
SiteLocation.geojson14 Apr 2026View
Existing Elevation With Highlighted Proposed Window Replacements.pdf · PDF14 Apr 2026View
FeeCalculation.pdf · PDF14 Apr 2026View
Highlighted Elevation Drawings - Existing · PDF16 Jun 2026View
ApplicationFormRedacted.pdf · PDF14 Apr 2026View
Highgate School Dyne House Proposed Windows 11.06 · PDF16 Jun 2026View
Existing Windows_Dyne House.pdf · PDF14 Apr 2026View

Documents open on the council website. Browse council documents if a link has changed.

Decision & conditions

Withdrawn
Planning conditions

Conditions aren’t listed here. Read the council decision notice for the full decision and conditions.

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